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Steel

A worker stands near rows of bolts that hold a steel sheath on a column of the newly constructed eastern span of the San Francisco-Oakland Bay Bridge. (Photo by Justin Sullivan/Getty Images)

Caltrans Engineers Concerned About Bay Bridge Bolts Years Before Failure

Newly revealed documents show state transportation officials expressed concern about the integrity of some steel components for the span more than four years ago.

04/17/2013

Crews began laying the foundation of the new Santa Clara 49ers stadium Monday. (CBS)

Steel Beams Arrive In Santa Clara At 49ers Stadium Site

Monday marked a milestone moment in the construction of a new football stadium in Santa Clara. The gigantic beams that will soon be part of the 49ers facility were started to be delivered.

07/30/2012

Catwalks hang over a section of the newly constructed eastern span of the San Francisco-Oakland Bay Bridge. (Justin Sullivan/Getty Images)

Manufacturing Group Protests Chinese Steel Used in Bay Bridge Construction

The Alliance for American Manufacturing is claiming parts for the new Bay Bridge is made from 100 percent Chinese Steel, but a spokesman for the project disagrees.

03/26/2012

Firefighters search rubble of collapsed World Trade Center towers after terrorist attacks, New York City (AP)

World Trade Center Steel To Be Unveiled At Bay Area Memorials

The centerpieces of several Bay Area communities’ memorial events on the 10th anniversary of the Sept. 11 terrorist attacks will be steel from the collapsed twin towers.

09/05/2011

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